Home / 3,220,404,772.80-4,830,607,159.20-1,380,343,454.40

Finding the Fourth Proportional to 3,220,404,772.80, 4,830,607,159.20 and 1,380,343,454.40

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Solution

The fourth proportional to 3,220,404,772.80, 4,830,607,159.20 and 1,380,343,454.40 is: 2,070,515,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220,404,772.80 : 4,830,607,159.20 = 1,380,343,454.40 : x
  2. Step 2: Convert to fraction form
    3,220,404,772.80/4,830,607,159.20 = 1,380,343,454.40/x
  3. Step 3: Cross multiply
    3,220,404,772.80x = 4,830,607,159.20 × 1,380,343,454.40
  4. Step 4: Simplify right side
    3,220,404,772.80x = 6,667,896,972,979,499,008
  5. Step 5: Solve for x
    x = 6,667,896,972,979,499,008/3,220,404,772.80
  6. Step 6: Final answer
    x = 2,070,515,181.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.